electron-updater download-progress

Electron-updater Download !!link!!-progress Now

: If autoUpdater.autoDownload is set to false , you must call autoUpdater.downloadUpdate() manually after the update-available event to start the download and trigger progress events. Electron Updater download-progress Event no getting called

This event is emitted by the autoUpdater module while an update is being downloaded. It provides a real-time stream of data about the download's state, allowing you to update your UI with progress bars, speed indicators, or estimated time remaining. The Progress Object Structure electron-updater download-progress

In your frontend, you listen for the IPC message and update your DOM or state. javascript : If autoUpdater

// main.js const { autoUpdater } = require("electron-updater"); const { ipcMain, BrowserWindow } = require("electron"); autoUpdater.on('download-progress', (progressObj) => { let log_message = `Download speed: ${progressObj.bytesPerSecond}`; log_message += ` - Downloaded ${progressObj.percent}%`; log_message += ` (${progressObj.transferred}/${progressObj.total})`; // Send the progress object to the renderer process mainWindow.webContents.send('download-progress', progressObj); console.log(log_message); }); Use code with caution. Displaying Progress in the UI (Renderer) The Progress Object Structure In your frontend, you

: electron-updater is designed to work in packaged applications. It will often fail to trigger events like download-progress during development (using npm start ) because no update metadata (like app-update.yml ) is available.

: The percent value often has many decimal places. Use Math.floor() or toFixed(2) for a cleaner UI.

// renderer.js window.electron.ipcRenderer.on('download-progress', (event, progressObj) => { const progressBar = document.getElementById('update-progress-bar'); const progressText = document.getElementById('update-progress-text'); progressBar.value = progressObj.percent; progressText.innerText = `Downloading: ${Math.floor(progressObj.percent)}%`; }); Use code with caution. Common Pitfalls and Tips